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Q.

Energy of a quanta of frequency 1015Hz   and  h=6.6×10−34J−sec will be

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a

6.6×10−19J

b

6.6×10−12J

c

6.6×10−49J

d

6.6×10−41J

answer is A.

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Detailed Solution

E=hv=6.6×10−34×1015=6.6×10−19J
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